Ultrasounds
(ultrasound 的复数) n. 超声\\n[计] 超声
🗣️ 情景例句
Would you like to join me for lunch?
跟我一起吃午餐吗？
What are you doing?
你正在做什么？
Well, we listened to lectures about pollution, agriculture, nuclear waste, radiation and so on.
噢，我们听取有关污染、农业、核废料、辐射等讲座。